minor changes for python3

helpdesk/lib.py

@@ -21,6 +21,7 @@ import logging
 logger = logging.getLogger('helpdesk')
 
 from django.utils.encoding import smart_str
+from builtins import str as text
 
 def send_templated_mail(template_name, email_context, recipients, sender=None, bcc=None, fail_silently=False, files=None):
     """
@@ -118,7 +119,7 @@ def send_templated_mail(template_name, email_context, recipients, sender=None, b
             "subject": t.subject,
         }).render(context)
 
-    if isinstance(recipients,(str,unicode)):
+    if isinstance(recipients, text):
         if recipients.find(','):
             recipients = recipients.split(',')
     elif type(recipients) != list: